HSD 14017166971: arch: arm64: boot: dts: Updated QSPI Flash layout for UBIFS

This patch is to update the QSPI flash layout from three MTD partitions
to two MTD partitions in order to ensure backwards compatibility.

Signed-off-by: Kah Jing Lee <kah.jing.lee@intel.com>

Author: kahjingl90

arch/arm64/boot/dts/intel/socfpga_agilex5_socdk.dts

@@ -188,13 +188,13 @@
 			#size-cells = <1>;
 
 			qspi_boot: partition@0 {
-				label = "Boot and fpga data";
-				reg = <0x0 0x03FE0000>;
+				label = "u-boot";
+				reg = <0x0 0x04200000>;
 			};
 
-			qspi_rootfs: partition@3FE0000 {
-				label = "Root Filesystem - JFFS2";
-				reg = <0x03FE0000 0x0C020000>;
+			root: partition@4200000 {
+				label = "root";
+				reg = <0x04200000 0x0BE00000>;
 			};
 		};
 	};